Who is Su Yang, the son of destiny?

Su Yang, the son of fate, is the main character in the novel Kirin. This novel mainly tells that the Sujia family was full of strange people from the 15 generation, and was a Feng Shui master from the 15 generation. In Grandpa Su Yang's generation, geomantic omen reached its peak, which no one can match. Yang Li was born with the birthmark of Kirin, and grandpa was very happy, because Kirin stepped on Xiangyun and it was difficult to disappear on the earth. He is the son of fate.